Silicon Carbide electronics will boost the development of electric cars

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POSTER: computer news   ||   SILICON CARBIDE ELECTRONICS WILL BOOST THE DEVELOPMENT OF ELECTRIC CARS	DATE:2016-09-25
In 2010, the US Department of Energy (US Department of Energy, DoE) has set the goal of developers to improve the performance of motor inverters from 4.1 kW / l to 13.4 kW / L.  Because today there are experienced converters characteristics 12.1 kW / L is likely that by the deadline set by the problem will be solved.   Silicon Carbide transistors using materials with enhanced bandgap.  Compared to pure silicon transistor switches based on SiC-materials can withstand 10 times the electric field strength at which breakdown occurs.  They also have better thermal conductivity and lower switching losses, which means affordability significantly increased operating temperatures. At the end of the working week in Milwaukee was an exhibition of IEEE Energy Conversion Congress and Exposition.  In The event was shown a prototype of an automotive inverter, created in the laboratory FREEDM (Future Renewable Electric Energy Distribution and Management) based on the North Carolina State University.  It is this sample showed record levels of 12.1 kW / liter. What it is important to create the sample used element base, located in the free market.  Nothing exclusive!  Moreover, university, developers find it possible in 2020 further reduce the "displacement" of converters.  Add a prototype inverter operates with an efficiency of 99%, which is 2% more in comparison with the efficiency of converters on the basis of the silicon element. Created prototype SiC electronics can withstand the  power of 55 kW.  It has a liquid cooling as transducers based on silicon transistors. At least in the lab working on the air-cooled 35-kW inverter, which is suitable for small hybrid cars and motorcycles, and electric cars for a "full size" creates the inverter 100 kW. Related Products :

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